Nepean Bay Weather Forecast

    • 4
    • 16

    Partly cloudy

    • 6
    • 18

    Showers

    • 12
    • 18

    Showers

    • 11
    • 18

    Showers

    • 9
    • 16

    Showers increasing. Windy

    • 7
    • 16

    Showers easing

    • 6
    • 16

    Shower or two

Today 14 Jun Kangaroo Island

Partly cloudy. Winds northeasterly 15 to 20 km/h becoming light in the late afternoon then becoming northeasterly 15 to 20 km/h in the late evening. Daytime maximum temperatures around 15.

Investigator Strait Coastal Waters

Wind
East to northeasterly below 10 knots increasing to 10 to 15 knots in the morning.
Seas
Below 1 metre.
1st Swell
West to southwesterly 1 to 1.5 metres.
Weather
Partly cloudy.
Weather Situation
A weak high pressure system to the east extends a ridge over SA. A northerly flow across South Australia will increase ahead of a slow-moving low pressure system that is expected to track along the SA coast this week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

June Temperature

Kingscote Airport (7km)

  • Lowest 11 June, 2026

    2.6 °C

  • Average June

    12.5 °C

  • Highest 12 June, 2026

    20.7 °C

Climate (2021–Present)

Kingscote Airport (7km)

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  • Average Low 2021–2026

    9.3 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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